| Doubles | |
|---|---|
| 2023 Open de Oeiras | |
| Champions |  Victor Vlad Cornea  Franko Škugor |
| Runners-up |  Marcelo Demoliner  Andrea Vavassori |
| Score | 7–6(7–2), 7–6(7–4) |
Sadio Doumbia and Fabien Reboul were the defending champions [1] but chose not to defend their title.
Victor Vlad Cornea and Franko Škugor won the title after defeating Marcelo Demoliner and Andrea Vavassori 7–6(7–2), 7–6(7–4) in the final.
Marcelo Demoliner / Andrea Vavassori (final)
Sriram Balaji / Jeevan Nedunchezhiyan (first round)
Romain Arneodo / 
Sam Weissborn (withdrew) Victor Vlad Cornea / Franko Škugor (champions) Marco Bortolotti / 
Sergio Martos Gornés (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Demoliner A Vavassori | 77 | 66 | [12] | |||||||||||||||||||||||
| WC |  J Faria P Sousa | 64 | 78 | [10] | 1 | M Demoliner A Vavassori | 77 | 64 | [10] | ||||||||||||||||||
 M Guinard F Romboli | 6 | 64 | [5] |  C Frantzen H Jebens | 65 | 77 | [8] | ||||||||||||||||||||
| C Frantzen H Jebens | 4 | 77 | [10] | 1 | M Demoliner A Vavassori | 6 | 6 | ||||||||||||||||||||
| 5 | M Bortolotti S Martos Gornés | 6 | 62 | [10] | 5 | M Bortolotti S Martos Gornés | 1 | 2 | |||||||||||||||||||
 L Johnson  S Verbeek | 4 | 77 | [6] | 5 | M Bortolotti S Martos Gornés | 4 | 6 | [10] | |||||||||||||||||||
| Alt |  J McCabe S Ofner | 6 | 6 | Alt | J McCabe S Ofner | 6 | 2 | [3] | |||||||||||||||||||
| WC | J Domingues F Ferreira Silva | 3 | 2 | 1 | M Demoliner A Vavassori | 62 | 64 | ||||||||||||||||||||
| C Broom P Raja | 2 | 2 | 4 | VV Cornea F Škugor | 77 | 77 | |||||||||||||||||||||
 P Nouza  I Zelenay | 6 | 6 | P Nouza I Zelenay | 65 | 6 | [9] | |||||||||||||||||||||
| Alt |  A Andreev  E Karlovskiy | 3 | 4 | 4 | VV Cornea F Škugor | 77 | 3 | [11] | |||||||||||||||||||
| 4 | VV Cornea F Škugor | 6 | 6 | 4 | VV Cornea F Škugor | 6 | 6 | ||||||||||||||||||||
S Arends  P Tsitsipas | 6 | 3 | [10] | S Arends P Tsitsipas | 3 | 2 | |||||||||||||||||||||
VS Prashanth  A Sitak | 4 | 6 | [6] | S Arends P Tsitsipas | 6 | 78 | |||||||||||||||||||||
 K Drzewiecki S Walków | 7 | 3 | [10] | K Drzewiecki S Walków | 3 | 66 | |||||||||||||||||||||
| 2 | S Balaji J Nedunchezhiyan | 5 | 6 | [7] | |||||||||||||||||||||||
Andrej Martin and Hans Podlipnik Castillo were the defending champions but chose not to defend their title.
Kevin Krawietz and Andreas Mies were the defending champions but chose not to defend their title.
Laurynas Grigelis and Zdeněk Kolář were the defending champions but only Kolář chose to defend his title, partnering Julian Ocleppo. Kolář successfully defended his title after defeating Luca Margaroli and Andrea Vavassori 6–4, 6–3 in the final.
This was the first edition of the tournament.
Denys Molchanov and Igor Zelenay were the defending champions but chose not to defend their title.
Gero Kretschmer and Alexander Satschko were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
This was the first edition of the tournament.
Sadio Doumbia and Fabien Reboul were the defending champions but lost in the quarterfinals to Victor Vlad Cornea and Fabian Fallert.
Marcelo Arévalo and Jean-Julien Rojer defeated Ivan Dodig and Austin Krajicek in the final, 6–7(4–7), 7–6(7–5), 6–3 to win the men's doubles tennis title at the 2022 French Open. They saved three championship points en route to winning their first major title as a team and their third overall title together. With his maiden major title, Arévalo became the first men's doubles major champion from Central America, and at 40 years of age, Rojer became the oldest men's doubles major champion in the Open Era with his third major men's doubles title.
Sadio Doumbia and Fabien Reboul were the defending champions but chose not to defend their title.
Defending champions Rajeev Ram and Joe Salisbury defeated Wesley Koolhof and Neal Skupski in the final, 7–6(7–4), 7–5 to win the men's doubles tennis title at the 2022 US Open. They became the second team in the Open Era to defend the US Open title, after Todd Woodbridge and Mark Woodforde in 1996. It was both men's fifth major title.
Victor Vlad Cornea and Sergio Martos Gornés were the defending champions but only Martos Gornés chose to defend his title, partnering Marco Bortolotti. Martos Gornés lost in the semifinals to Matteo Gigante and Francesco Passaro.
Geoffrey Blancaneaux and Alexandre Müller were the defending champions but chose not to defend their title.
Nathaniel Lammons and Albano Olivetti were the defending champions but chose not to defend their title.
Marcelo Melo and John Peers defeated Simone Bolelli and Andrea Vavassori in the final, 7–6(7–3), 3–6, [10–6] to win the doubles tennis title at the 2023 Halle Open.
Dominic Stricker and Stan Wawrinka defeated Marcelo Demoliner and Matwé Middelkoop in the final, 7–6(10–8), 6–2 to win the doubles tennis title at the 2023 Swiss Open Gstaad. This was the first doubles final and title in ten and a half years for Wawrinka.
Blaž Rola and Nino Serdarušić defeated the defending champion Simone Bolelli and his partner Andrea Vavassori in the final, 4–6, 7–6(7–2), [15–13] to win the doubles tennis title at the 2023 Croatia Open Umag.
Alexander Erler and Lucas Miedler defeated Gonzalo Escobar and Aleksandr Nedovyesov in the final, 6–4, 6–4 to win the doubles tennis title at the 2023 Generali Open Kitzbühel.
Sadio Doumbia and Fabien Reboul defeated Francisco Cabral and Rafael Matos in the final, 4–6, 7–5, [10–7] to win the doubles tennis title at the 2023 Chengdu Open. It was both players' first individual ATP Tour title in their second tour-level final together.